UPDATE!!! NEW SITE REVIVAL IN THE WORKS!
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New Direction
During these past 15 years, this site has been a resource for those seeking help to design their own loudspeaker enclosures via the multitude of different speaker box calculators provided. I plan on slowly taking this site into another direction by making it a resource of free enclosure design blueprints that anyone could build and try out for themselves.
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The Plan
I plan on running a monthly poll to help brainstorm ideas on what kind of enclosure designs I will create, so I would greatly appreciate it if you would be able to participate in them.
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The Future
Hopefully, with your help, you we can build a database of free loudspeaker enclosure designs that will be available for everyone to access freely whenever they please. Those who are able to actually build and test these designs can share valuable information such as the drivers they used, the listening environment they installed it in, the amplifier and power they applied to it, and their experiences with the real world output of the design in regards to the sound quality, bandwidth and efficiency in comparison to other systems they can use as a reference.
Site Updates
August 25, 2025 – Restructuring Blueprints Inquiry form. Working on “My Enclosure Design Philosophy” page. Need to update calculators with explanations. Need to go back and add additional response graphs and information to design 1 blueprint.
Enclosure Calculators
- 1/4 Wave Flared Vent T-Line/Horn/Bass Reflex Enclosure Calculator
- 4th Order Bandpass Enclosure Calculator
- Acoustic Suspension Enclosure Calculator
- Dual Chambered Tri-Tuned Bass Reflex Enclosure Calculator
- Dual Fold Off-Axis Transmission Line Enclosure Calculator
- Dual Fold On-Axis Transmission Line Enclosure Calculator
- L-Slot Vent Bass Reflex Enclosure Calculator
- Labyrinth Vent Bass Reflex Enclosure Calculator
- Off-Axis 6th Order Parallel Bandpass Enclosure Calculator
- Off-Axis Bass Reflex Enclosure Calculator
- On-Axis 6th Order Parallel Bandpass Enclosure Calculator
- On-Axis Bass Reflex Enclosure Calculator
- Single Fold Off-Axis Transmission Line Enclosure Calculator
- Single Fold On-Axis Transmission Line Enclosure Calculator
Blueprints Database
- On Axis Single Chambered Bass Reflex With Labyrinth Infra Resonator – Design 1
- Acoustic Suspension
- Single Chambered Reflex
- 4th Order Bandpass
- 6th Order Parallel Tuned Bandpass
- 6th Order Series Tuned Bandpass
- 8th Order Bandpass
- Transmission Line/Horn Variants
- Multiple Chambered Reflex
- Experimental/Hybrid/Passive Radiator Designs
- User Uploaded